Home / 240,298.20-331,618.50-131,408.94

Finding the Fourth Proportional to 240,298.20, 331,618.50 and 131,408.94

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Solution

The fourth proportional to 240,298.20, 331,618.50 and 131,408.94 is: 181,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,298.20 : 331,618.50 = 131,408.94 : x
  2. Step 2: Convert to fraction form
    240,298.20/331,618.50 = 131,408.94/x
  3. Step 3: Cross multiply
    240,298.20x = 331,618.50 × 131,408.94
  4. Step 4: Simplify right side
    240,298.20x = 43,577,635,569.39
  5. Step 5: Solve for x
    x = 43,577,635,569.39/240,298.20
  6. Step 6: Final answer
    x = 181,348.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.